Harness buckle



FIG. 1 is a front perspective view showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is an opposite side elevation thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a harness buckle, as shown and described.